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| author |   Nick Desaulniers <ndesaulniers@google.com> | 2022-09-19 10:08:28 -0700 |
|---|---|---|
| committer |   Masahiro Yamada <masahiroy@kernel.org> | 2022-09-29 04:40:16 +0900 |
| commit | 88b61e3bff93f99712718db785b4aa0c1165f35c (patch) | |
| tree | 6a77ccf3bfdbe1f146c02a77dcdbcaf1463c1f40 /Makefile | |
| parent | kbuild: rpm-pkg: fix breakage when V=1 is used (diff) | |
| download | wireguard-linux-88b61e3bff93f99712718db785b4aa0c1165f35c.tar.xz wireguard-linux-88b61e3bff93f99712718db785b4aa0c1165f35c.zip | |
Makefile.compiler: replace cc-ifversion with compiler-specific macros
cc-ifversion is GCC specific. Replace it with compiler specific
variants. Update the users of cc-ifversion to use these new macros.
Link: https://github.com/ClangBuiltLinux/linux/issues/350
Link: https://lore.kernel.org/llvm/CAGG=3QWSAUakO42kubrCap8fp-gm1ERJJAYXTnP1iHk_wrH=BQ@mail.gmail.com/
Suggested-by: Bill Wendling <morbo@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 6 |
1 files changed, 2 insertions, 4 deletions
@@ -790,7 +790,6 @@ KBUILD_CFLAGS += $(stackp-flags-y) KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror KBUILD_CFLAGS-$(CONFIG_CC_NO_ARRAY_BOUNDS) += -Wno-array-bounds -KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH) ifdef CONFIG_CC_IS_CLANG KBUILD_CPPFLAGS += -Qunused-arguments @@ -972,7 +971,6 @@ ifdef CONFIG_CC_IS_GCC KBUILD_CFLAGS += -Wno-maybe-uninitialized endif -ifdef CONFIG_CC_IS_GCC # The allocators already balk at large sizes, so silence the compiler # warnings for bounds checks involving those possible values. While # -Wno-alloc-size-larger-than would normally be used here, earlier versions @@ -984,8 +982,8 @@ ifdef CONFIG_CC_IS_GCC # ignored, continuing to default to PTRDIFF_MAX. So, left with no other # choice, we must perform a versioned check to disable this warning. # https://lore.kernel.org/lkml/20210824115859.187f272f@canb.auug.org.au -KBUILD_CFLAGS += $(call cc-ifversion, -ge, 0901, -Wno-alloc-size-larger-than) -endif +KBUILD_CFLAGS-$(call gcc-min-version, 90100) += -Wno-alloc-size-larger-than +KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH) # disable invalid "can't wrap" optimizations for signed / pointers KBUILD_CFLAGS += -fno-strict-overflow |